I want to remove a directory that has large amounts of data on it. This is my backup array, which is a ZFS filesystem, linear span, single pool. The data is in this pool called san, mounted on /san
...

So I have a cluster with an array of hard drives (say 6), currently they are not in any RAID, on top of one of them I currently have my Scientific Linux installed and running. How to migrate it onto ...

What I want to do is present a directory, the contents of which are sourced from a series of other directories on the file system. It would be like a soft-link, only a link to multiple directories at ...

I have a Lenovo Thinkpad with a dual boot for Ubuntu and Windows 7. While in Ubuntu I closed the lid to the computer (which doesn't put Ubuntu to sleep) and went out to run some errands. I come back ...

I used http://www.pendrivelinux.com to build an installation of Linux Mint on a USB stick, so I could have a portable OS (mainly for work emergencies). It's installed, and works fine, but it's only ...

Sometimes but not often, but many times, after formatting an SD card with Gparted, the SD card becomes unaccessible to normal user, so I go as root and change the permissions, happens especially when ...

Actually i'm aware of a "PHP Web Folder". There seems to be some potentials of incoming attacks. So that i want to make sure this whole directory is READ-ONLY (Only writable by ROOT).
Let's say the ...

Is there a way to set atime writes to be cached for a very long time? I need atime (that is to say, relatime won't cut it), but I don't want it to effect performance so much. Data loss in of atimes ...

I have a Drupal website on a VM (RHEL 7) and it works on an SSD storage both public and private directories: /storage/drupalpublic and /storage/drupalprivate.
Now and in the future, I need to store a ...

EDIT: I am using Debian 8.1.0
So I somehow deleted my /etc directory. While I have not been able to recover the complete /etc directory hierarchy with all files, I have received different parts from ...

Basically my root (/) ext4 partition keeps being mounted as read-only when I apply internal journaling feature. I understand that this should be default, but today I had been trying to apply external ...

I have written a program that performs health checks on servers. One of its functions is that it can check whether or not a symlink exists. I am currently in the process of writing unit tests (for use ...

In the past, I learned that in Linux/UNIX file systems, directories are just files, which contain the filenames and inode numbers of the files inside the directory.
Is there a simple way to see the ...

My question is about official linux and common distributions (e.g. fedora/debian) on learning disk management in practice on linux / linux distributions. The layout, may be including the file system, ...

I am interested in getting statistics about filesystem reads and writes, specifically to an NFS mount.
I know there are many tools such as iostat, nfsstat and inotifywait but there are issues I have ...

I run
mkfs.xfs -f -L /partitionname -d agcount=64 -l size=128m,version=2 /dev/sdb1
but noticed that enough without Label with UUID, while the old when RHEL used partition labels, as discussed here:
...

Why is this done by the users? For what purpose? Doesn't it slow down the system?
example:jfs for / ext2 for /boot reiser4 for /var so you see this there will be an interaction between different file ...

I've purchased a new Western Digital Green Power 1TB 3.5 inch internal hard drive on eBay but I can't get any of my desktops to recognise it. Model number WD 10EURX. I'm using Linux Mint 17 Mate and ...

I have a 500 GB HDD and a 300 GB HDD. I have formatted them as btrfs raid1 between.
The total size is 800 GB.
If I copy 50 GB onto the filesystem, it causes 100 GB to be used.
If I copy 300 GB onto ...

I have a btrfs volume across two devices that has metadata RAID1 and data RAID0. In the event one drive would fail, practically all files above the 64KB default stripe size would be corrupted. As this ...

I am currently attempting to run some benchmark tests using different filesystem formats. However, I can only use the ext family, cramfs, and msdos formats with mkfs since those are the only formats ...

I am using RHEL7. After a latest regular update, my computer not booting. I noticed that, during updating, the kernel also got updated. All my attempt with previous kernel version,which is listed in ...

I'm recently working on optimizing the performance of tar -xf, i.e. untar a file.
I notice that under default settings, tar -xf calls writes to write 10 KiB output at a time in chunks. However, this ...

I've read in several places that during I/O error to system log file most linux distributions go to read only mode. Followed by how to recover from it.
This is all fine, but I'm looking for a way to ...